body, div, ul, li, ol, iframe {
  margin: 0;
  padding: 0;
  font-family: Microsoft Yahei; }

ul, ol {
  list-style: none; }

a {
  text-decoration: none; }

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
  margin: 0;
  padding: 0; }

.leftNav {
  float: left;
  background: #ccc;
  width: 100%; }
  .leftNav ul li {
    line-height: 50px;
    background: #e7e7e7;
    padding-left: 20%;
    font-size: 1.1em;
    color: #333;
    border-bottom: 1px solid #999;
    cursor: pointer; }
